Submerged booster pump shutoff casing



Aug. 16, 1949. J. A. COMPTON SBMERGED BOOSTER PUMP SHUTOFF CASING ,W lm v Filed May ll, 1944 Patented Aug. 16, 1949 CASING JamesfAsComlitong'Sbuth Eucldfohi assigner; byfmem assignments, oizBorgi/Wmerzurs ioratiomiGhieagmf-Ill., Quimper-ation offlllinois:

'present 'l inveritifmH relates vtorp'unip Aar Aran'gements adapten Vlo'r installationi in fiiiqufd reservoirsmritaks V'and *particularly 'to' lan" ar* rangement'ifailitating the introuction'and resary toij'stemptytiie associatdtai.

nfgarrangemeritsof this typeinjeommoniuse'it l'iras'flaieeriifoundfdimciilirte*effectaifemoval oithe pump' `"fofif' `anti-:iure- -placementtiiereof withoutLeitnersuifeiingfthe'iioss"of'consderable yliquid orelseimakingiitineeessaryi'toirst "empty bhet'nli' y 4 It' is ari-"object of'tliis invention w"to"""p1*ovf e "an, improvefarrangefment fimeansi'nnotioning'as an'ineidentftothe removaliandnsertion ofthe f pump unit "toeautonratieanyfeneet ti1e-reqn1sue lshut-'riff f'o'Fthe*iquid'cdrnmunication betwe'enthe tank- -andftre '-*pump' or -op'eninggftiirougfhj which the=fpump isf'fremoved "as "weiiffas Vantomatically; eii'ting x-eestiblislim'ent'y of'f'sucireommunica'tion in 'response to fthe-reitrodttctionfofthe "pump imofffins'tiiedipositon; l Y

@tifs-'atmete particular ojeirttoprovdanimi proved iauxiliaryHousingiioiffthepump'nit 'hsvngfports therethrough yr'irlafchzug "the Hquidin "'theift'ank in "communication 'wth""the ienolise`l` pump,l `this""flfiouslng*being"so 'arranged that; whenA thepun'nr'isimwexrin tliefoutwardld faction withtirawtie sam'ei from instlledfposition"foffrepair;ttiiepotsftiirongnithe"auxiliary housing are fiatom'aticaiiy *closed f'andfcommuni'- cation is shut off between the liqidinfthetank aniifthe'fonening itlnmgh which the pump is being withdrawn. o

Another Objectis tl'ieprosonffof an arrangement of .this typewhichaisiof-a4 smplefeonstruc- .tion andinexpens'ive of manuactureasL-wellas ei'licient in operation and maintenance.

Other objects; iadvanta'gesnndius'esof my inventiontwill become apparentffrom a reading-zdf' .the-"following specicationiL-takenr" in connection y'with theeafccompanying dmwingfwvhichiforms a rpant thereof and wherein: 1

LFig. leise vertical brokenawagy seetonvlew stnzwving atank installation incorporating'afipifeierredembodiment of my invention;

Fig. 2 is a. broken .away view corresponding to Fig.1"but showing the pump and auxiliary housing assemblyn partiallyfiwitl'i- .ilmwnmositioneand Fig. 3 is a plan view taken substantially on the line 3-3 of Fig. 1.

The structure shown in Fig. 1 comprises a reservoir or tank 5 adapted to be supplied with gasoline or similar liquid, gasoline vbeing contemis'ielsimss (onzas- Lesser is formed. an opening 6 through whichacl-fessunay b'efhad to the interorfofA the :tanki'providmgior ythe-:ready linstallation--fand 'removalffof wm unit7 f1.' 'generally referred rto "asfa boosterflpm- Teef basen-portion f s S'of fthis'pumpzunttis formed generauy 7complementary '.in'ifshap ettoopeningfi 'for receptiontherein;thepumpwextendmgrwitlm lthe'. tank 5"'.be1owithemormalliquid level. .base '18: 1 is provided withi 'ai imdisliyrziextendmg .'iangei I D forfasteningftheszpumpmnt in4`v` positionbyfmean'sofa capffscrewsfti.

- n winfappeenfmatf-ifsme.pumpunitaesami tankfbe'isubstantially full ofvliquid.Yandimaliilsrgv novel :arrangement f5 comprises-:an aumr iliary housing for can I6 enclosingpumpV` unitzl and -V having radial iports f Mia formed vinithe side wall-thereof for placing, inlet-sports -1 ai off.: pump "Ifzixr communication fwith i the surroundingsliquid whew-the ipump'isf'in installed: positioniassshown inFig. 11. Ehe yopenendfoi auxiliaryfhousinge extends i. outside fof :tank-V 5. .throug-hpopenngf 6. therein van-d fhasra radiallyY .outwardlyxtending diari ge.r li'lradapted :toi berxem ovablyfattacheditothe meansvoflfpins lila havingfsuitable cuites.y pinete:- taining the'sanzelinpositioninthe mannershdwn Fig; I1: xlase:iper-tion:ilY oithe ypump'f unitiis ormetif with anfrmularl channelereceivingisek ing ring :lilafunctioning Atoprovid-emr.-'iliquidmeal between" baser-8 'and the: embracingfauxiliary housing@ lr6.: '-A'similarf'annmlarchanneisfonned in 'ithefssurrounding :iwaliuofi openingm' receiving. nf second-:sealing-:ringzi,iunctioning toi-.providenhousing I6 and opening 6.

From the above and particularly by reference to'.

Fig. 2 it will be apparent thatpump unit 1 may be readily Withdrawn from tank 5 notwithstand ing the fact that the same contains liquid above within the auxiliary housing I6 and fastened,Y thereto by means of pins I'la and associated cotter pins l'i'b. Following this the complete assembly is moved axially into opening 6 in the tank 5 until iiange l1 engages the tank 5 following which flange l0 is fastened to the tank by means of cap screws Il.

While I have disclosed my invention in connection with a preferred specic embodiment thereof, it is to be understood that this is by way of example and not by way of limitation and my invention is` to be defined by the appended claims.

-I claim:

1. In an arrangement providing for the ready removal and replacement of a pump supported on a lower wall of a tank making it unnecessary to first drain said tank, said arrangement comprising means defining a tank lower wall formed with an access opening therethrough below the lower level of liquid contained in said tank, said access opening providing for the introduction and removal of Va pump; a housing mounted in said access opening, said housing having an open lower end and having a portion extending outside said tank lowerwall; a pump unit mounted in said access opening and being encompassed by said housing, said pump unit having a portion extendingoutside said tank lower wall; means detachablysecuring together said outside extending portions of the housing and pump unit for effecting a separable assembly; means dening a port in the lower region of said housing for establishing communication between said tank and said pump unit; said pump unit and housing assembly being adapted for inward and outward movements with respect to said access opening, sliding seal comprising relatively sliding parts on said housing and said tank wall such that said outward movenient is effective to close said port thereby to shut off communication between said tank and pump and said inward movement is effective to open said'r port to re-establish said communication; and 'means demountably securing said outside portionsof the pump and housing assembly to position said assembly in said access opening with said port open to establish said communication. 2. In an arrangement providing for the ready removal and replacement of a pump supported on a lower wall of a tank making it unnecessary to rst drain said tank, said arrangement comprising means dening a tank lower wall formed withan access opening therethrough below the lower level of liquid contained in said tank, said 'access opening providing for the introduction and removal of a pump; a housing mounted in Said access opening, said housing having an open lower end and extending outside said tank lower wall and having a flange adapted for attachment to theouter surface of the tank lower wall in sur- 4 rounding relation to said access opening; a pump unit mounted in said access opening and being encompassed by said housing, said pump unit having a flange portion extending radially outwardly outside said tank lower wall; means detachably securing together said housing flange Vand -pump uniteflange foreffecting a separable assembly; means definingl a port' in the lower region of said housing for establishing communi- -cation between said tank and said pump unit;

a sliding seal comprising relatively sliding parts v' on said housing and said tank wall such that said outward movement is effective to close said port thereby to shutoff communication between said tank and pump and said inward movement is effective to open said port to re-establish said communication; and means demountably securing the flanges of said pump and housing assembly about said access opening.

3. In an arrangement providing for the ready removal and replacement of a pump supported on a lower wall of a tank making it unnecessary to first drain said tank, said arrangement comprising means defining a tank lower wall formed with an access opening therethrough below the lower level of liquid contained in said tank, said access opening providing for the introduction and removal of a pump; a vhousing movably mounted `in said access opening, said housing having an open lower end and extending outside said tank lower wall and having aflange adapted for attachment to the outer surface of the tank lower wall in surrounding relation to said access opening; a

Vpump unit encompassed by said housing, said pump unit having a flange outside said tank lower wall; said housing flange and said pump unit ange lbeing arranged in superposed relation with respect to each other and in surrounding relation to said access opening; means detachably securing said ilanges to each other for effecting a separable assembly; means defining a port in the lower region of said housing for establishing communication between said tank and said pump unit; -a sliding seal comprising relatively sliding parts on said housing and said tank wall such that said outward movement is eiective to close said port thereby vto shut off -communication between said tank andpump and said inward movement is effective to open said port to re-establish said communication; and means demountably securing said pump and housing assembly in said access opening.

JAMES A. COMPTON.

\ REFERENCES CITED "The following'references are of record in the le of this patent:

A UNITED STATES PATENTS Number 

